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Finding the Fourth Proportional to 159,877.34, 220,630.77 and 88,257.41

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Solution

The fourth proportional to 159,877.34, 220,630.77 and 88,257.41 is: 121,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,877.34 : 220,630.77 = 88,257.41 : x
  2. Step 2: Convert to fraction form
    159,877.34/220,630.77 = 88,257.41/x
  3. Step 3: Cross multiply
    159,877.34x = 220,630.77 × 88,257.41
  4. Step 4: Simplify right side
    159,877.34x = 19,472,300,326.51
  5. Step 5: Solve for x
    x = 19,472,300,326.51/159,877.34
  6. Step 6: Final answer
    x = 121,795.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.